Analysis

  • max time kernel
    27s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 07:13

General

  • Target

    86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87.dll

  • Size

    162KB

  • MD5

    e37b4533e33207edc32f92426b5829f9

  • SHA1

    a9a6e6d884a69307912ae6e120a3abbb53f4d1ed

  • SHA256

    86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87

  • SHA512

    5ff38e4e3f5a4763cfd4ca6f68ac67b983e559d1d04f699895a66c1393de93e3c26ad239ba3d4d5b5d4ac49e36686bc80b707cbfe32a901ab1243b556014af98

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\86feffcce5c16df44e93e36159a122054fe01aeb194415d3747f94faa2aa4e87.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/868-114-0x0000000000000000-mapping.dmp

  • memory/868-115-0x0000000074450000-0x000000007447E000-memory.dmp

    Filesize

    184KB

  • memory/868-117-0x00000000001F0000-0x00000000001F6000-memory.dmp

    Filesize

    24KB